Home / 646,983.40-970,302.30-197,703.40

Finding the Fourth Proportional to 646,983.40, 970,302.30 and 197,703.40

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Solution

The fourth proportional to 646,983.40, 970,302.30 and 197,703.40 is: 296,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,983.40 : 970,302.30 = 197,703.40 : x
  2. Step 2: Convert to fraction form
    646,983.40/970,302.30 = 197,703.40/x
  3. Step 3: Cross multiply
    646,983.40x = 970,302.30 × 197,703.40
  4. Step 4: Simplify right side
    646,983.40x = 191,832,063,737.82
  5. Step 5: Solve for x
    x = 191,832,063,737.82/646,983.40
  6. Step 6: Final answer
    x = 296,502.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.